public class Daji_01 {
    public static void main(String arg[]){
        Daji2 daji2 = new Daji2();
        daji2.introduce("大吉","19");
    }
}

class Daji2{
    String name;    //姓名
    String age;     //年龄
    String sex;     //性别

    public void introduce(String eName,String eAge){
        name = eName;
        age = eAge;
        System.out.println("我叫"+name+",今年"+age+"岁.");
    }
}
